noun \ˈī-sə-ˌgläs, -ˌgls\

Definition of ISOGLOSS

:  a boundary line between places or regions that differ in a particular linguistic feature
:  a line on a map representing an isogloss
iso·gloss·al \ˌī-sə-ˈglä-səl, -ˈgl-\ adjective
iso·gloss·ic \-ˈglä-sik, -ˈgl-\ adjective

Origin of ISOGLOSS

International Scientific Vocabulary is- + Greek glōssa language — more at gloss
First Known Use: 1925


Next Word in the Dictionary: isogonic
Previous Word in the Dictionary: isogeotherm
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